Engine



June 5, 1934. H. H. TlMlAN 1,961,466

ENGINE Filed July 27. 1931 YINVENTQOR. %r07d 7?. ;72"m2an I ATTORNEY.

UNITE STATES PATENT QFFICE ENGINE Harold H. Timian, Detroit, Mich., assignor to Continental Motors Corporation, Detroit, Mich,

I a corporation of Virginia Application July 2'7, 1931, Serial No. 553,303 Claims. (Cl. 123-52) This invention relates to internal combustion distributing zone 12 when the fuel mixture stream engines and refers more particularly to systems d s d passes through manifold headers of fuel distribution and carburetion for such enbranches 14 for d ibu n to the usual gines. groups of engine cylinders (not shown).

Heretofore difficulty has been experienced in In order to overcome the tendency for the wet efiiciently distributing a carbureted mixture such fuel to pudd e or col ect in branches 13 and 14 I as gasoline and air bec u e of tendency of the have provided the material or insert 15 which has fuel mixture to puddle or collect wet particles h ha e e s O lapidlyahsol'bihgandspleadat points in the distribution system such as along the W fuel particles. n the illus rated form the floor or bottom wall of the branches or runner this insert 15 is a twisted multi-fibre metallic wire of the usual riser to the engine cylinders. This s il rat d in Fi s. 4 nd 5. the metal being wet fuel collection disturbs the desired fuel mixpreferably although e ta n o her meta s ture distribution, is passed to certain cylinders v the deeired p p y and y be used a more than others resulting in engine roughness s y. S as a or a m um. T i carbonization, fouling of spark plugs, high fuel wire insert 15 lies along the bottom wall of the consumption, and other undesirable charactera s extending across Zone 12 and y istics. tend to the manifold outlets to the engine as at It is an object of my invention to overcome the 15 in Fig. 2. The wetfuel particles for the most aforesaid difficulties by providing means in the part collect along the lower walls of the branches manifold branches for absorbing the Wet fuel although during high speed acceleration of the particles sufficiently to prevent their passage to motor the wet fuel particles also tend to collect the engine cylinders prior to vaporization or mix and pass along the upper walls of, the branches. ture with the air and fuel stream passing through With the latter conditions in mind a similar fabthe manifold. More specifically in the embodiricated absorbent insert l5 may be inserted along 25 ment illustrated I have provided a metallic abthe upper walls of manifold branches 13, 14 as sorbing material extending in contact with the illustrated in Fig. 6. I manifold wall along the branches where the wet Any suitable means may be employed to locate fuel mixture tends to collect. or position the inserts 15, 15 in position, such Further objects and advantages of my invenmeans preferably not interferring materially with 30 tion will be apparent as this specification pro the fuel stream through the manifold. Thus in grosses, reference being had to the accompanying Figs. 1, 3 and 6 the wire 15 may lie in the flanged drawing in which: lugs is suitably spaced longitudinally of the Fig. 1 is a side elevation view of an internal manifold branches and wire l5 may be suscombustion engine illustrating my improvements. pended by hooks 17 extending through the mani- 35 Figs. 2 and 3 are detail sectional views through fold branches and locked by threaded nuts 18.

22 and 3-3 respectively of Fig. 1, If desired the absorbent material may be fab- Fig. 4 is a detail sectional view through the abricated in other forms than as illustrated, such sorbing material, as in the form of a metallic closely woven ribbon Fig. 5 is a longitudinal elevation View thereof, as illustrated in Fig. 7.

40 Fig. 6 is a view corresponding to Fig. 3 illus- What I claim as my invention is:

tlat a d fi m Of my invention, and 1. An engine intake manifold structure having Fig. 7 l5 8, similar view'illustrating a further an open fuel mixture condugting portion exmodified form. tending longitudinally of the engine and termi- In the d aw reference Character A nating in an outlet adjacent said engine, said 45 sents an internal combustion engine of the usual conducting portion having a localized zone in We k ow yp having the usual eXhauSt maIliwhich fuel precipitate tends to accumulate, and fold B and carburetor C. This carburetor in the a liquid conducting and absorbent member 3550. illustrated embodiment of my invention is conciated ith id Zone for inducing flow of id neoted to the upwa y eXteIlding riser primary precipitate towards the outlet of said conducting 50 fuel conducting portion 10 of the intake manifold portion by capillary attraction of said precipitate D it being understood that for the well known f r aid conducting member, clown draft types of carburetors this riser will 2, An engine intake manifold structure having extend downwardly from the carburetor. Within an open fuel mixture conducting portion termithe riser is the usual throttle valve 11 for governnating in an outlet adjacent said engine, said 55 ing the amount of fuel mixture passing to fuel conducting portion having a localized zone in which fuel precipitate tends to accumulate, and a liquid conducting means consisting of a cable constructed of a plurality of woven wires associated with said zone for inducing flow of said precipitate towards the outlet of said conducting portion by capillary attraction of said precipitate for said cable.

3. An engine intake manifold structure having an open fuel mixture conducting portion terminating in an outlet adjacent said engine, said conducting portion having a localized zone in which fuel precipitate tends to accumulate, and a liquid conducting means consisting of a cable constructed of a plurality of woven wires associated with said zone and extending substantially longitudinally of said fuel mixture conducting portion, said cable inducing flow of said precipitate towards the outlet of said conducting portion by capillary attraction of said precipitate for said cable.

4. In a fuel mixture conducting system for an internal combustion engine, an intake manifold including a primary fuel mixture conducting portion and branch portions communicating with said primary conducting portion, said branch portions providing open passages for conducting fuel mixture to the engine, and a liquid absorbent and liquid conducting member supported adjacent the wall of one or more of said branch portions for collecting fuel precipitate and conducting same longitudinally of said branch portions by the capillary attraction of said precipitate for said liquid absorbent member.

5. In a fuel mixture conducting system for an internal combustion engine, an intake manifold including a primary fuel mixture conducting portion and branch portions communicating with said primary conducting portion, said branch portions providing open passages for conducting fuel mixture to the engine, and a liquid absorbent and liquid conducting member supported adjacent the wall of one or more of said branch portions for collecting fuel precipitate and conducting same longitudinally of said branch portions by the capillary attraction of said precipitate for said liquid absorbent member, said absorbent member overlying the mouth of said primary conducting portion. 7

6. In a fuel mixture conducting system for an internal combustion engine, an intake manifold including a primary fuel mixture conducting portion and branch portions communicating with said primary conducting portion, said branch portions providing open passages for conducting fuel mixture to the engine, and a liquid absorbent and liquid conducting member supported adjacent the wall of one or more of said branch portions for collecting fuel precipitate and conducting same longitudinally of said branch portions by the capillary attraction of said precipitate for said liquid absorbent member, said absorbent member comprising a woven wire cable.

'7. In a fuel mixture conducting system for an internal combustion engine, an intake manifold including a primary fuel mixture conducting portion and branch portions communicating with said primary conducting portion, said branch portions providing open passages for conducting fuel mixture to the engine, and a liquid absorbent and liquid conducting member supported adjacent the wall of one or more of said branch portions for collecting fuel precipitate and conducting same longitudinally of said branch portions by the capillary attraction of said precipitate for said liquid absorbent member, said absorbent member comprising a Woven wire cable, extending longitudinally of said branch portions.

8. In a fuel mixture conducting system for an internal combustion engine, an intake manifold including a primary fuel mixture conducting portion and branch portions communicating with said primary conducting portion, said branch portions providing open passages for conducting fuel mixture to the engine, and a liquid absorbent and liquid conducting member supported adjacent the wall of one or more of said branch portions for collecting fuel precipitate and conducting same longitudinally of said branch portions by the capillary attraction of said precipitate for said liquid absorbent member, said absorbent member comprising a length of metallic fabricated material.

9. In a fuel mixture conducting system for an internal combustion engine, an intake manifold including a primary fuel mixture conducting portion, open branch fuel mixture conducting portions, and a fuel mixture distributing zone intermediate said primary and branch portions and communicating therewith, and a liquid absorbent and liquid conducting member extending longitudinally within said branches and across said zone.

10. In a fuel mixture conducting system for an internal combustion engine, an intake manifold including a primary fuel mixture conducting portion, open branch fuel mixture conducting portions, and a fuel mixture distributing zone intermediate said primary and branch portions and communicating therewith, and a liquid absorbent and liquid conducting member extending longitudinally within said branches along thelower Walls thereof whereby to absorb the fuel precipitate and conduct same to the engine by the capillary attraction of said precipitate for said liquid absorbent member. I

HAROLD H. TIMIAN. 

